DIY Summer Hacks, From the Pool to the Grill

Ever tried to make your own sunscreen? A water bottle rocket? How about a cardboard canoe? Eric Wilhelm, founder of Instructables, and Mike Szczys, managing editor at Hackaday.com, discuss their favorite do-it-yourself summer projects. And Bon Appetit's Andrew Knowlton suggests some cooking hacks, like "cooler corn" and turning your BBQ into a smoker.